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ClinicalTrials.gov public records Last synced Oct 1, 2026, 8:29 PM EDT

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Showing 25–48 of 127 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Placebo (for Progesterone) Clear all
Completed Phase 4 Interventional Results available

Unique Effects of Perimenstrual Estradiol or Progesterone Supplementation on Perimenstrual Suicidality

NCT03498313
View directory record Official record
Conditions
Suicidal Ideation
Interventions
Transdermal Estradiol + Placebo, Oral Micronized Progesterone + Placebo, Placebos
Drug
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 14, 2022 · Synced Oct 1, 2026, 8:29 PM EDT
Completed Phase 2 Interventional Results available

Treatment of Uterine Fibroids With the Selective Progesterone Receptor Modulator CDB-2914

NCT00290251
View directory record Official record
Conditions
Leiomyoma
Interventions
ulipristal acetate 20 mg, ulipristal acetate 10 mg, placebo
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
25 Years to 50 Years · Female only
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
2
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 15, 2024 · Synced Oct 1, 2026, 8:29 PM EDT
Not listed Phase 1 Interventional

Assessing Ketorolac (Toradol) at Oocyte Retrieval

NCT06026553
View directory record Official record
Conditions
Infertility, Infertility, Female, Oocyte Retrieval, Postoperative Pain, Embryo Transfer
Interventions
Ketorolac (Toradol), Placebo (saline)
Drug · Other
Lead sponsor
Shady Grove Fertility Reproductive Science Center
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
2
States / cities
Rockville, Maryland • Fairfax, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 7, 2023 · Synced Oct 1, 2026, 8:29 PM EDT
Terminated Phase 3 Interventional Results available

STRIDE - STimulating Immune Response In aDvanced brEast Cancer

NCT00925548
View directory record Official record
Conditions
Breast Cancer
Interventions
Tecemotide (L-BLP25) and Hormonal Treatment, Placebo of tecemotide (L-BLP25) and Hormonal Treatment, cyclophosphamide, sodium chloride (NaCl)
Biological · Drug
Lead sponsor
EMD Serono
Industry
Eligibility
18 Years and older · Female only
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Hickory, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 24, 2014 · Synced Oct 1, 2026, 8:29 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Influence of Testosterone Administration on Drug-Induced QT Interval Prolongation and Torsades de Pointes

NCT02513940
View directory record Official record
Conditions
Long QT Syndrome
Interventions
Testosterone, Progesterone, Placebo, Ibutilide
Drug
Lead sponsor
Indiana University
Other
Eligibility
65 Years and older · Male only
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Aug 28, 2019 · Synced Oct 1, 2026, 8:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Neurophysiology of Postpartum Depression in an Experimental Model of Pregnancy and Parturition

NCT01762943
View directory record Official record
Conditions
Postpartum Depression
Interventions
Leuprolide Acetate, Micronized estradiol, Progesterone
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
22 Years to 50 Years · Female only
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 20, 2017 · Synced Oct 1, 2026, 8:29 PM EDT
Completed Phase 1 Interventional Results available

Development of Pregnenolone as a Treatment for Depression

NCT03645096
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Pregnenolone 500 mg, Pregnenolone 800 mg, Placebo
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated May 1, 2024 · Synced Oct 1, 2026, 8:29 PM EDT
Completed Phase 4 Interventional Results available

Effect of Perimenstrual Ovarian Steroid Supplementation on Perimenstrual Suicidality

NCT03720847
View directory record Official record
Conditions
Suicidal Ideation
Interventions
Estradiol Transdermal Patch 0.1 mg/24 hrs, Oral Micronized Progesterone, Inactive Clear Patch, Placebo capsule
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 4, 2019 · Synced Oct 1, 2026, 8:29 PM EDT
Completed Not applicable Interventional Results available

Adjunctive Pregnenolone in Veterans With Mild TBI

NCT00623506
View directory record Official record
Conditions
Traumatic Brain Injury
Interventions
Pregnenolone, Placebo
Drug
Lead sponsor
Durham VA Medical Center
Federal
Eligibility
18 Years to 55 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 20, 2013 · Synced Oct 1, 2026, 8:29 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Trial of Progesterone in Twins and Triplets to Prevent Preterm Birth (STTARS)

NCT00099164
View directory record Official record
Conditions
Preterm Birth, Pregnancy, Multifetal
Interventions
17 alpha-hydroxyprogesterone caproate (17P)
Drug
Lead sponsor
The George Washington University Biostatistics Center
Other
Eligibility
Female only
Enrollment
795 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2007
U.S. locations
14
States / cities
Birmingham, Alabama • Chicago, Illinois • Detroit, Michigan + 11 more
Source: ClinicalTrials.gov public record
Updated Feb 21, 2019 · Synced Oct 1, 2026, 8:29 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

PROS-1-Male Hormonal Contraceptive Regimens on Prostate Tissue

NCT00490555
View directory record Official record
Conditions
Healthy
Interventions
Testosterone gel, Dutasteride, Depo-Medroxyprogesterone (DMPA), Placebo Testosterone gel, Placebo dutasteride, Placebo DMPA
Drug · Other
Lead sponsor
University of Washington
Other
Eligibility
25 Years to 55 Years · Male only
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Nov 15, 2013 · Synced Oct 1, 2026, 8:29 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Progesterone Effect on Individuals Diagnoses With AD and PTSD.

NCT02187224
View directory record Official record
Conditions
Alcohol Dependence, Post-Traumatic Stress Disorder (PTSD)
Interventions
Progesterone, Placebo (for Progesterone)
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years to 60 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 26, 2023 · Synced Oct 1, 2026, 8:29 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

PREGNANT Short Cervix Trial

NCT00615550
View directory record Official record
Conditions
Preterm Delivery, Short Cervix, Short Uterine Cervical Length
Interventions
progesterone, placebo
Drug
Lead sponsor
Juniper Pharmaceuticals, Inc.
Industry
Eligibility
15 Years to 45 Years · Female only
Enrollment
465 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
27
States / cities
Mobile, Alabama • Phoenix, Arizona • Orange, California + 21 more
Source: ClinicalTrials.gov public record
Updated Mar 13, 2012 · Synced Oct 1, 2026, 8:29 PM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Hyperandrogenemia and Altered Day-night LH Pulse Patterns

NCT03068910
View directory record Official record
Conditions
Hyperandrogenism, Polycystic Ovary Syndrome, Puberty
Interventions
Micronized progesterone, Spironolactone, Placebo
Drug
Lead sponsor
University of Virginia
Other
Eligibility
10 Years to 17 Years · Female only
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2025
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 5, 2025 · Synced Oct 1, 2026, 8:29 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Novel Approaches for Minimizing Drug-Induced QT Interval Lengthening

NCT04675788
View directory record Official record
Conditions
Long QT Syndrome, Abnormalities, Drug-Induced
Interventions
Progesterone, Ibutilide, Testosterone, Placebo
Drug
Lead sponsor
Indiana University
Other
Eligibility
50 Years to 99 Years
Enrollment
73 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
3
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Mar 19, 2026 · Synced Oct 1, 2026, 8:29 PM EDT
Completed Phase 2 Interventional Results available

Neurosteroids as Novel Therapeutic Agents for Chronic Pain in OEF/OIF Veterans

NCT01898013
View directory record Official record
Conditions
Lower Back Pain
Interventions
Pregnenolone, Placebo
Drug
Lead sponsor
Durham VA Medical Center
Federal
Eligibility
18 Years to 65 Years
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 3, 2018 · Synced Oct 1, 2026, 8:29 PM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Pregnenolone as a Treatment for Cannabis Intoxication

NCT07216690
View directory record Official record
Conditions
Cannabis Intoxication
Interventions
Cannabis, Pregnenolone 250 mg, Pregnenolone 500 mg, Placebo, Placebo brownie
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 29, 2026 · Synced Oct 1, 2026, 8:29 PM EDT
Completed Phase 2 Interventional Results available

A Combination Trial of Copaxone Plus Estriol in Relapsing Remitting Multiple Sclerosis (RRMS)

NCT00451204
View directory record Official record
Conditions
Relapsing Remitting Multiple Sclerosis
Interventions
Estriol, Placebo, Copaxone
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
158 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2014
U.S. locations
15
States / cities
Scottsdale, Arizona • Los Angeles, California • Aurora, Colorado + 12 more
Source: ClinicalTrials.gov public record
Updated Jun 16, 2016 · Synced Oct 1, 2026, 8:29 PM EDT
Completed Phase 3 Interventional Results available

Confirmatory Study of 17P vs Vehicle for Prevention of Preterm Birth in Women w/ Previous Spontaneous Preterm Delivery

NCT01004029
View directory record Official record
Conditions
Preterm Birth
Interventions
Hydroxyprogesterone Caproate Injection (HPC), 250mg/mL, Vehicle
Drug
Lead sponsor
AMAG Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
1,740 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2018
U.S. locations
41
States / cities
Montgomery, Alabama • Tucson, Arizona • La Mesa, California + 35 more
Source: ClinicalTrials.gov public record
Updated Jun 1, 2022 · Synced Oct 1, 2026, 8:29 PM EDT
Completed Phase 2Phase 3 Interventional

Estrogen, HDL, and Coronary Heart Disease in Women

NCT00083824
View directory record Official record
Conditions
Cardiovascular Diseases, Coronary Disease, Heart Diseases, Coronary Arteriosclerosis
Interventions
Estrogens, Conjugated (USP), Medroxyprogesterone 17-Acetate, Placebo
Drug
Lead sponsor
Tufts University
Other
Eligibility
55 Years to 80 Years · Female only
Enrollment
309 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 21, 2016 · Synced Oct 1, 2026, 8:29 PM EDT
Not yet recruiting Phase 2 Interventional

Pregnenolone Treatment for Alcohol Use Disorder and Major Depressive Disorder

NCT07734701
View directory record Official record
Conditions
Alcohol Use Disorder (AUD), Major Depressive Disorder (MDD)
Interventions
Pregnenolone, Placebo
Drug
Lead sponsor
Sherwood Brown, MD, PhD
Other
Eligibility
21 Years to 55 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
2
States / cities
Dallas, Texas • Richardson, Texas
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Oct 1, 2026, 8:29 PM EDT
Completed Phase 3 Interventional Results available

Study Evaluating The Effects Of Bazedoxifene/Conjugated Estrogens On Endometrial Safety And Postmenopausal Osteoporosis

NCT00808132
View directory record Official record
Conditions
Menopause, Osteoporosis
Interventions
bazedoxifene 20 mg/ conjugated estrogens 0.45 mg, bazedoxifene 20 mg/ conjugated estrogens 0.625 mg, bazedoxifene 20 mg, conjugated estrogens 0.45 mg/ medroxyprogesterone acetate 1.5 mg, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
40 Years to 64 Years · Female only
Enrollment
1,886 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
143
States / cities
Birmingham, Alabama • Mobile, Alabama • Chandler, Arizona + 119 more
Source: ClinicalTrials.gov public record
Updated Apr 8, 2014 · Synced Oct 1, 2026, 8:29 PM EDT
Completed Phase 4 Interventional Results available

Study Using Pregnenolone to Treat Bipolar Depression

NCT01409096
View directory record Official record
Conditions
Bipolar Disorder, Major Depressive Disorder
Interventions
Pregnenolone, Placebo
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 75 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 31, 2016 · Synced Oct 1, 2026, 8:29 PM EDT
Completed Phase 2 Interventional Results available

Neurosteroids for Treatment of PTSD in Veterans

NCT03799562
View directory record Official record
Conditions
Posttraumatic Stress Disorder
Interventions
Pregnenolone, Placebo
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 65 Years
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Oct 1, 2026, 8:29 PM EDT